<!DOCTYPE html>
<html>
	<head>
		
		<title>apple</title>
		<style type="text/css">
			#box{
				width: 300px;
				height: 480px;
				margin:0 auto;
				background-color: black;
				border-radius: 20px;
			}
			#result{
				height: 60px;			
				color: white;
				font-size: 40px;
				text-align: right;
				padding-top:40px;
			}
			#buttons{
				height: 380px ;
				color: white;
				text-align: center;
			}
			.button{
				width: 65px;
				height: 65px;
				float: left;
				line-height: 65px;
				font-size: 24px;
				border-radius: 50%;
				background-color: #141614;
				margin:5px;
				transition:all 0.5s;
			}
			.button:hover{
				background-color: orange;
				cursor: pointer;
			}
			#button-zero{
				width: 140px;
				border-radius: 50px;
			}
			.div-gray{
				background-color: #666;
			}
			.div-orange{
				background-color:darkorange;
			}
		</style>
	</head>
	<body>
		<div id="box">
			<div id="result">0</div>
			<div id="buttons">
				<div class="button div-gray">AC</div>
				<div class="button div-gray">+/-</div>
				<div class="button div-gray">%</div>
				<div class="button div-orange">/</div>
				<div class="button">7</div>
				<div class="button">8</div>
				<div class="button">9</div>
				<div class="button div-orange">*</div>
				<div class="button">4</div>
				<div class="button">5</div>
				<div class="button">6</div>
				<div class="button div-orange">-</div>
				<div class="button">1</div>
				<div class="button">2</div>
				<div class="button">3</div>
				<div class="button div-orange">+</div>
				<div class="button" id="button-zero">0</div>
				<div class="button">.</div>
				<div class="button div-orange">=</div>
			</div>
		</div>
	</body>
</html>